<template>
  <div class='rate'>
    <span>
      ☆☆☆☆☆
    </span>
    <div class='hollow' :style="style">
      ★★★★★
    </div>
  </div>
</template>
<script>
export default {
  props: {
    value: {
      type: [Number, String],
      default: '0'
    }
  },
  computed: {
    style () {
      return `width:${this.value / 2 - 1}em`
    }
  }
}
</script>
<style lang="scss">
.rate{
  position:relative;
  display: inline-block;
  .hollow{
    position: absolute;
    display: inline-block;
    top: 0;
    left: 0;
    width: 2.5em;
    overflow:hidden;
  }
}
</style>
